WebSVN – QNX 8.QNX8 LLVM/Clang compiler suite – Blame – /llvm-build/x86_64/include/llvm/BinaryFormat/MachO.h

Rev	Author	Line No.	Line
14	pmbaty	1	//===-- llvm/BinaryFormat/MachO.h - The MachO file format -------- C++ --===//
		2	//
		3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
		4	// See https://llvm.org/LICENSE.txt for license information.
		5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
		6	//
		7	//===----------------------------------------------------------------------===//
		8	//
		9	// This file defines manifest constants for the MachO object file format.
		10	//
		11	//===----------------------------------------------------------------------===//
		12
		13	#ifndef LLVM_BINARYFORMAT_MACHO_H
		14	#define LLVM_BINARYFORMAT_MACHO_H
		15
		16	#include "llvm/Support/Compiler.h"
		17	#include "llvm/Support/DataTypes.h"
		18	#include "llvm/Support/Error.h"
		19	#include "llvm/Support/SwapByteOrder.h"
		20
		21	namespace llvm {
		22
		23	class Triple;
		24
		25	namespace MachO {
		26	// Enums from <mach-o/loader.h>
		27	enum : uint32_t {
		28	// Constants for the "magic" field in llvm::MachO::mach_header and
		29	// llvm::MachO::mach_header_64
		30	MH_MAGIC = 0xFEEDFACEu,
		31	MH_CIGAM = 0xCEFAEDFEu,
		32	MH_MAGIC_64 = 0xFEEDFACFu,
		33	MH_CIGAM_64 = 0xCFFAEDFEu,
		34	FAT_MAGIC = 0xCAFEBABEu,
		35	FAT_CIGAM = 0xBEBAFECAu,
		36	FAT_MAGIC_64 = 0xCAFEBABFu,
		37	FAT_CIGAM_64 = 0xBFBAFECAu
		38	};
		39
		40	enum HeaderFileType {
		41	// Constants for the "filetype" field in llvm::MachO::mach_header and
		42	// llvm::MachO::mach_header_64
		43	MH_OBJECT = 0x1u,
		44	MH_EXECUTE = 0x2u,
		45	MH_FVMLIB = 0x3u,
		46	MH_CORE = 0x4u,
		47	MH_PRELOAD = 0x5u,
		48	MH_DYLIB = 0x6u,
		49	MH_DYLINKER = 0x7u,
		50	MH_BUNDLE = 0x8u,
		51	MH_DYLIB_STUB = 0x9u,
		52	MH_DSYM = 0xAu,
		53	MH_KEXT_BUNDLE = 0xBu,
		54	MH_FILESET = 0xCu,
		55	};
		56
		57	enum {
		58	// Constant bits for the "flags" field in llvm::MachO::mach_header and
		59	// llvm::MachO::mach_header_64
		60	MH_NOUNDEFS = 0x00000001u,
		61	MH_INCRLINK = 0x00000002u,
		62	MH_DYLDLINK = 0x00000004u,
		63	MH_BINDATLOAD = 0x00000008u,
		64	MH_PREBOUND = 0x00000010u,
		65	MH_SPLIT_SEGS = 0x00000020u,
		66	MH_LAZY_INIT = 0x00000040u,
		67	MH_TWOLEVEL = 0x00000080u,
		68	MH_FORCE_FLAT = 0x00000100u,
		69	MH_NOMULTIDEFS = 0x00000200u,
		70	MH_NOFIXPREBINDING = 0x00000400u,
		71	MH_PREBINDABLE = 0x00000800u,
		72	MH_ALLMODSBOUND = 0x00001000u,
		73	MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u,
		74	MH_CANONICAL = 0x00004000u,
		75	MH_WEAK_DEFINES = 0x00008000u,
		76	MH_BINDS_TO_WEAK = 0x00010000u,
		77	MH_ALLOW_STACK_EXECUTION = 0x00020000u,
		78	MH_ROOT_SAFE = 0x00040000u,
		79	MH_SETUID_SAFE = 0x00080000u,
		80	MH_NO_REEXPORTED_DYLIBS = 0x00100000u,
		81	MH_PIE = 0x00200000u,
		82	MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u,
		83	MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
		84	MH_NO_HEAP_EXECUTION = 0x01000000u,
		85	MH_APP_EXTENSION_SAFE = 0x02000000u,
		86	MH_NLIST_OUTOFSYNC_WITH_DYLDINFO = 0x04000000u,
		87	MH_SIM_SUPPORT = 0x08000000u,
		88	MH_DYLIB_IN_CACHE = 0x80000000u,
		89	};
		90
		91	enum : uint32_t {
		92	// Flags for the "cmd" field in llvm::MachO::load_command
		93	LC_REQ_DYLD = 0x80000000u
		94	};
		95
		96	#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) LCName = LCValue,
		97
		98	enum LoadCommandType : uint32_t {
		99	#include "llvm/BinaryFormat/MachO.def"
		100	};
		101
		102	#undef HANDLE_LOAD_COMMAND
		103
		104	enum : uint32_t {
		105	// Constant bits for the "flags" field in llvm::MachO::segment_command
		106	SG_HIGHVM = 0x1u,
		107	SG_FVMLIB = 0x2u,
		108	SG_NORELOC = 0x4u,
		109	SG_PROTECTED_VERSION_1 = 0x8u,
		110	SG_READ_ONLY = 0x10u,
		111
		112	// Constant masks for the "flags" field in llvm::MachO::section and
		113	// llvm::MachO::section_64
		114	SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
		115	SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
		116	SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
		117	SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
		118	};
		119
		120	/// These are the section type and attributes fields. A MachO section can
		121	/// have only one Type, but can have any of the attributes specified.
		122	enum SectionType : uint32_t {
		123	// Constant masks for the "flags[7:0]" field in llvm::MachO::section and
		124	// llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
		125
		126	/// S_REGULAR - Regular section.
		127	S_REGULAR = 0x00u,
		128	/// S_ZEROFILL - Zero fill on demand section.
		129	S_ZEROFILL = 0x01u,
		130	/// S_CSTRING_LITERALS - Section with literal C strings.
		131	S_CSTRING_LITERALS = 0x02u,
		132	/// S_4BYTE_LITERALS - Section with 4 byte literals.
		133	S_4BYTE_LITERALS = 0x03u,
		134	/// S_8BYTE_LITERALS - Section with 8 byte literals.
		135	S_8BYTE_LITERALS = 0x04u,
		136	/// S_LITERAL_POINTERS - Section with pointers to literals.
		137	S_LITERAL_POINTERS = 0x05u,
		138	/// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
		139	S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
		140	/// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
		141	S_LAZY_SYMBOL_POINTERS = 0x07u,
		142	/// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
		143	/// the Reserved2 field.
		144	S_SYMBOL_STUBS = 0x08u,
		145	/// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
		146	/// initialization.
		147	S_MOD_INIT_FUNC_POINTERS = 0x09u,
		148	/// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
		149	/// termination.
		150	S_MOD_TERM_FUNC_POINTERS = 0x0au,
		151	/// S_COALESCED - Section contains symbols that are to be coalesced.
		152	S_COALESCED = 0x0bu,
		153	/// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
		154	/// gigabytes).
		155	S_GB_ZEROFILL = 0x0cu,
		156	/// S_INTERPOSING - Section with only pairs of function pointers for
		157	/// interposing.
		158	S_INTERPOSING = 0x0du,
		159	/// S_16BYTE_LITERALS - Section with only 16 byte literals.
		160	S_16BYTE_LITERALS = 0x0eu,
		161	/// S_DTRACE_DOF - Section contains DTrace Object Format.
		162	S_DTRACE_DOF = 0x0fu,
		163	/// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
		164	/// lazy loaded dylibs.
		165	S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
		166	/// S_THREAD_LOCAL_REGULAR - Thread local data section.
		167	S_THREAD_LOCAL_REGULAR = 0x11u,
		168	/// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
		169	S_THREAD_LOCAL_ZEROFILL = 0x12u,
		170	/// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
		171	/// structure data.
		172	S_THREAD_LOCAL_VARIABLES = 0x13u,
		173	/// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
		174	/// local structures.
		175	S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
		176	/// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
		177	/// variable initialization pointers to functions.
		178	S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
		179	/// S_INIT_FUNC_OFFSETS - Section with 32-bit offsets to initializer
		180	/// functions.
		181	S_INIT_FUNC_OFFSETS = 0x16u,
		182
		183	LAST_KNOWN_SECTION_TYPE = S_INIT_FUNC_OFFSETS
		184	};
		185
		186	enum : uint32_t {
		187	// Constant masks for the "flags[31:24]" field in llvm::MachO::section and
		188	// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
		189
		190	/// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
		191	/// instructions.
		192	S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
		193	/// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
		194	/// in a ranlib table of contents.
		195	S_ATTR_NO_TOC = 0x40000000u,
		196	/// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
		197	/// in files with the MY_DYLDLINK flag.
		198	S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
		199	/// S_ATTR_NO_DEAD_STRIP - No dead stripping.
		200	S_ATTR_NO_DEAD_STRIP = 0x10000000u,
		201	/// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
		202	S_ATTR_LIVE_SUPPORT = 0x08000000u,
		203	/// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
		204	/// dyld.
		205	S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
		206	/// S_ATTR_DEBUG - A debug section.
		207	S_ATTR_DEBUG = 0x02000000u,
		208
		209	// Constant masks for the "flags[23:8]" field in llvm::MachO::section and
		210	// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
		211
		212	/// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
		213	S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
		214	/// S_ATTR_EXT_RELOC - Section has external relocation entries.
		215	S_ATTR_EXT_RELOC = 0x00000200u,
		216	/// S_ATTR_LOC_RELOC - Section has local relocation entries.
		217	S_ATTR_LOC_RELOC = 0x00000100u,
		218
		219	// Constant masks for the value of an indirect symbol in an indirect
		220	// symbol table
		221	INDIRECT_SYMBOL_LOCAL = 0x80000000u,
		222	INDIRECT_SYMBOL_ABS = 0x40000000u
		223	};
		224
		225	enum DataRegionType {
		226	// Constants for the "kind" field in a data_in_code_entry structure
		227	DICE_KIND_DATA = 1u,
		228	DICE_KIND_JUMP_TABLE8 = 2u,
		229	DICE_KIND_JUMP_TABLE16 = 3u,
		230	DICE_KIND_JUMP_TABLE32 = 4u,
		231	DICE_KIND_ABS_JUMP_TABLE32 = 5u
		232	};
		233
		234	enum RebaseType {
		235	REBASE_TYPE_POINTER = 1u,
		236	REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
		237	REBASE_TYPE_TEXT_PCREL32 = 3u
		238	};
		239
		240	enum { REBASE_OPCODE_MASK = 0xF0u, REBASE_IMMEDIATE_MASK = 0x0Fu };
		241
		242	enum RebaseOpcode {
		243	REBASE_OPCODE_DONE = 0x00u,
		244	REBASE_OPCODE_SET_TYPE_IMM = 0x10u,
		245	REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u,
		246	REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u,
		247	REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u,
		248	REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u,
		249	REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u,
		250	REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u,
		251	REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u
		252	};
		253
		254	enum BindType {
		255	BIND_TYPE_POINTER = 1u,
		256	BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
		257	BIND_TYPE_TEXT_PCREL32 = 3u
		258	};
		259
		260	enum BindSpecialDylib {
		261	BIND_SPECIAL_DYLIB_SELF = 0,
		262	BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
		263	BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2,
		264	BIND_SPECIAL_DYLIB_WEAK_LOOKUP = -3
		265	};
		266
		267	enum {
		268	BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
		269	BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
		270
		271	BIND_OPCODE_MASK = 0xF0u,
		272	BIND_IMMEDIATE_MASK = 0x0Fu
		273	};
		274
		275	enum BindOpcode {
		276	BIND_OPCODE_DONE = 0x00u,
		277	BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
		278	BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
		279	BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
		280	BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
		281	BIND_OPCODE_SET_TYPE_IMM = 0x50u,
		282	BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
		283	BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
		284	BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
		285	BIND_OPCODE_DO_BIND = 0x90u,
		286	BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
		287	BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
		288	BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u
		289	};
		290
		291	enum {
		292	EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
		293	EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
		294	EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
		295	EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
		296	};
		297
		298	enum ExportSymbolKind {
		299	EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
		300	EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
		301	EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
		302	};
		303
		304	enum {
		305	// Constant masks for the "n_type" field in llvm::MachO::nlist and
		306	// llvm::MachO::nlist_64
		307	N_STAB = 0xe0,
		308	N_PEXT = 0x10,
		309	N_TYPE = 0x0e,
		310	N_EXT = 0x01
		311	};
		312
		313	enum NListType : uint8_t {
		314	// Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
		315	// llvm::MachO::nlist_64
		316	N_UNDF = 0x0u,
		317	N_ABS = 0x2u,
		318	N_SECT = 0xeu,
		319	N_PBUD = 0xcu,
		320	N_INDR = 0xau
		321	};
		322
		323	enum SectionOrdinal {
		324	// Constants for the "n_sect" field in llvm::MachO::nlist and
		325	// llvm::MachO::nlist_64
		326	NO_SECT = 0u,
		327	MAX_SECT = 0xffu
		328	};
		329
		330	enum {
		331	// Constant masks for the "n_desc" field in llvm::MachO::nlist and
		332	// llvm::MachO::nlist_64
		333	// The low 3 bits are the for the REFERENCE_TYPE.
		334	REFERENCE_TYPE = 0x7,
		335	REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
		336	REFERENCE_FLAG_UNDEFINED_LAZY = 1,
		337	REFERENCE_FLAG_DEFINED = 2,
		338	REFERENCE_FLAG_PRIVATE_DEFINED = 3,
		339	REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
		340	REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
		341	// Flag bits (some overlap with the library ordinal bits).
		342	N_ARM_THUMB_DEF = 0x0008u,
		343	REFERENCED_DYNAMICALLY = 0x0010u,
		344	N_NO_DEAD_STRIP = 0x0020u,
		345	N_WEAK_REF = 0x0040u,
		346	N_WEAK_DEF = 0x0080u,
		347	N_SYMBOL_RESOLVER = 0x0100u,
		348	N_ALT_ENTRY = 0x0200u,
		349	N_COLD_FUNC = 0x0400u,
		350	// For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
		351	// as these are in the top 8 bits.
		352	SELF_LIBRARY_ORDINAL = 0x0,
		353	MAX_LIBRARY_ORDINAL = 0xfd,
		354	DYNAMIC_LOOKUP_ORDINAL = 0xfe,
		355	EXECUTABLE_ORDINAL = 0xff
		356	};
		357
		358	enum StabType {
		359	// Constant values for the "n_type" field in llvm::MachO::nlist and
		360	// llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
		361	N_GSYM = 0x20u,
		362	N_FNAME = 0x22u,
		363	N_FUN = 0x24u,
		364	N_STSYM = 0x26u,
		365	N_LCSYM = 0x28u,
		366	N_BNSYM = 0x2Eu,
		367	N_PC = 0x30u,
		368	N_AST = 0x32u,
		369	N_OPT = 0x3Cu,
		370	N_RSYM = 0x40u,
		371	N_SLINE = 0x44u,
		372	N_ENSYM = 0x4Eu,
		373	N_SSYM = 0x60u,
		374	N_SO = 0x64u,
		375	N_OSO = 0x66u,
		376	N_LSYM = 0x80u,
		377	N_BINCL = 0x82u,
		378	N_SOL = 0x84u,
		379	N_PARAMS = 0x86u,
		380	N_VERSION = 0x88u,
		381	N_OLEVEL = 0x8Au,
		382	N_PSYM = 0xA0u,
		383	N_EINCL = 0xA2u,
		384	N_ENTRY = 0xA4u,
		385	N_LBRAC = 0xC0u,
		386	N_EXCL = 0xC2u,
		387	N_RBRAC = 0xE0u,
		388	N_BCOMM = 0xE2u,
		389	N_ECOMM = 0xE4u,
		390	N_ECOML = 0xE8u,
		391	N_LENG = 0xFEu
		392	};
		393
		394	enum : uint32_t {
		395	// Constant values for the r_symbolnum field in an
		396	// llvm::MachO::relocation_info structure when r_extern is 0.
		397	R_ABS = 0,
		398
		399	// Constant bits for the r_address field in an
		400	// llvm::MachO::relocation_info structure.
		401	R_SCATTERED = 0x80000000
		402	};
		403
		404	enum RelocationInfoType {
		405	// Constant values for the r_type field in an
		406	// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
		407	// structure.
		408	GENERIC_RELOC_INVALID = 0xff,
		409	GENERIC_RELOC_VANILLA = 0,
		410	GENERIC_RELOC_PAIR = 1,
		411	GENERIC_RELOC_SECTDIFF = 2,
		412	GENERIC_RELOC_PB_LA_PTR = 3,
		413	GENERIC_RELOC_LOCAL_SECTDIFF = 4,
		414	GENERIC_RELOC_TLV = 5,
		415
		416	// Constant values for the r_type field in a PowerPC architecture
		417	// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
		418	// structure.
		419	PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
		420	PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
		421	PPC_RELOC_BR14 = 2,
		422	PPC_RELOC_BR24 = 3,
		423	PPC_RELOC_HI16 = 4,
		424	PPC_RELOC_LO16 = 5,
		425	PPC_RELOC_HA16 = 6,
		426	PPC_RELOC_LO14 = 7,
		427	PPC_RELOC_SECTDIFF = 8,
		428	PPC_RELOC_PB_LA_PTR = 9,
		429	PPC_RELOC_HI16_SECTDIFF = 10,
		430	PPC_RELOC_LO16_SECTDIFF = 11,
		431	PPC_RELOC_HA16_SECTDIFF = 12,
		432	PPC_RELOC_JBSR = 13,
		433	PPC_RELOC_LO14_SECTDIFF = 14,
		434	PPC_RELOC_LOCAL_SECTDIFF = 15,
		435
		436	// Constant values for the r_type field in an ARM architecture
		437	// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
		438	// structure.
		439	ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
		440	ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
		441	ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
		442	ARM_RELOC_LOCAL_SECTDIFF = 3,
		443	ARM_RELOC_PB_LA_PTR = 4,
		444	ARM_RELOC_BR24 = 5,
		445	ARM_THUMB_RELOC_BR22 = 6,
		446	ARM_THUMB_32BIT_BRANCH = 7, // obsolete
		447	ARM_RELOC_HALF = 8,
		448	ARM_RELOC_HALF_SECTDIFF = 9,
		449
		450	// Constant values for the r_type field in an ARM64 architecture
		451	// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
		452	// structure.
		453
		454	// For pointers.
		455	ARM64_RELOC_UNSIGNED = 0,
		456	// Must be followed by an ARM64_RELOC_UNSIGNED
		457	ARM64_RELOC_SUBTRACTOR = 1,
		458	// A B/BL instruction with 26-bit displacement.
		459	ARM64_RELOC_BRANCH26 = 2,
		460	// PC-rel distance to page of target.
		461	ARM64_RELOC_PAGE21 = 3,
		462	// Offset within page, scaled by r_length.
		463	ARM64_RELOC_PAGEOFF12 = 4,
		464	// PC-rel distance to page of GOT slot.
		465	ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
		466	// Offset within page of GOT slot, scaled by r_length.
		467	ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
		468	// For pointers to GOT slots.
		469	ARM64_RELOC_POINTER_TO_GOT = 7,
		470	// PC-rel distance to page of TLVP slot.
		471	ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
		472	// Offset within page of TLVP slot, scaled by r_length.
		473	ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
		474	// Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
		475	ARM64_RELOC_ADDEND = 10,
		476
		477	// Constant values for the r_type field in an x86_64 architecture
		478	// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
		479	// structure
		480	X86_64_RELOC_UNSIGNED = 0,
		481	X86_64_RELOC_SIGNED = 1,
		482	X86_64_RELOC_BRANCH = 2,
		483	X86_64_RELOC_GOT_LOAD = 3,
		484	X86_64_RELOC_GOT = 4,
		485	X86_64_RELOC_SUBTRACTOR = 5,
		486	X86_64_RELOC_SIGNED_1 = 6,
		487	X86_64_RELOC_SIGNED_2 = 7,
		488	X86_64_RELOC_SIGNED_4 = 8,
		489	X86_64_RELOC_TLV = 9
		490	};
		491
		492	// Values for segment_command.initprot.
		493	// From <mach/vm_prot.h>
		494	enum { VM_PROT_READ = 0x1, VM_PROT_WRITE = 0x2, VM_PROT_EXECUTE = 0x4 };
		495
		496	// Values for platform field in build_version_command.
		497	enum PlatformType {
		498	PLATFORM_UNKNOWN = 0,
		499	PLATFORM_MACOS = 1,
		500	PLATFORM_IOS = 2,
		501	PLATFORM_TVOS = 3,
		502	PLATFORM_WATCHOS = 4,
		503	PLATFORM_BRIDGEOS = 5,
		504	PLATFORM_MACCATALYST = 6,
		505	PLATFORM_IOSSIMULATOR = 7,
		506	PLATFORM_TVOSSIMULATOR = 8,
		507	PLATFORM_WATCHOSSIMULATOR = 9,
		508	PLATFORM_DRIVERKIT = 10,
		509	};
		510
		511	// Values for tools enum in build_tool_version.
		512	enum { TOOL_CLANG = 1, TOOL_SWIFT = 2, TOOL_LD = 3 };
		513
		514	// Structs from <mach-o/loader.h>
		515
		516	struct mach_header {
		517	uint32_t magic;
		518	uint32_t cputype;
		519	uint32_t cpusubtype;
		520	uint32_t filetype;
		521	uint32_t ncmds;
		522	uint32_t sizeofcmds;
		523	uint32_t flags;
		524	};
		525
		526	struct mach_header_64 {
		527	uint32_t magic;
		528	uint32_t cputype;
		529	uint32_t cpusubtype;
		530	uint32_t filetype;
		531	uint32_t ncmds;
		532	uint32_t sizeofcmds;
		533	uint32_t flags;
		534	uint32_t reserved;
		535	};
		536
		537	struct load_command {
		538	uint32_t cmd;
		539	uint32_t cmdsize;
		540	};
		541
		542	struct segment_command {
		543	uint32_t cmd;
		544	uint32_t cmdsize;
		545	char segname[16];
		546	uint32_t vmaddr;
		547	uint32_t vmsize;
		548	uint32_t fileoff;
		549	uint32_t filesize;
		550	uint32_t maxprot;
		551	uint32_t initprot;
		552	uint32_t nsects;
		553	uint32_t flags;
		554	};
		555
		556	struct segment_command_64 {
		557	uint32_t cmd;
		558	uint32_t cmdsize;
		559	char segname[16];
		560	uint64_t vmaddr;
		561	uint64_t vmsize;
		562	uint64_t fileoff;
		563	uint64_t filesize;
		564	uint32_t maxprot;
		565	uint32_t initprot;
		566	uint32_t nsects;
		567	uint32_t flags;
		568	};
		569
		570	struct section {
		571	char sectname[16];
		572	char segname[16];
		573	uint32_t addr;
		574	uint32_t size;
		575	uint32_t offset;
		576	uint32_t align;
		577	uint32_t reloff;
		578	uint32_t nreloc;
		579	uint32_t flags;
		580	uint32_t reserved1;
		581	uint32_t reserved2;
		582	};
		583
		584	struct section_64 {
		585	char sectname[16];
		586	char segname[16];
		587	uint64_t addr;
		588	uint64_t size;
		589	uint32_t offset;
		590	uint32_t align;
		591	uint32_t reloff;
		592	uint32_t nreloc;
		593	uint32_t flags;
		594	uint32_t reserved1;
		595	uint32_t reserved2;
		596	uint32_t reserved3;
		597	};
		598
		599	inline bool isVirtualSection(uint8_t type) {
		600	return (type == MachO::S_ZEROFILL \|\| type == MachO::S_GB_ZEROFILL \|\|
		601	type == MachO::S_THREAD_LOCAL_ZEROFILL);
		602	}
		603
		604	struct fvmlib {
		605	uint32_t name;
		606	uint32_t minor_version;
		607	uint32_t header_addr;
		608	};
		609
		610	// The fvmlib_command is obsolete and no longer supported.
		611	struct fvmlib_command {
		612	uint32_t cmd;
		613	uint32_t cmdsize;
		614	struct fvmlib fvmlib;
		615	};
		616
		617	struct dylib {
		618	uint32_t name;
		619	uint32_t timestamp;
		620	uint32_t current_version;
		621	uint32_t compatibility_version;
		622	};
		623
		624	struct dylib_command {
		625	uint32_t cmd;
		626	uint32_t cmdsize;
		627	struct dylib dylib;
		628	};
		629
		630	struct sub_framework_command {
		631	uint32_t cmd;
		632	uint32_t cmdsize;
		633	uint32_t umbrella;
		634	};
		635
		636	struct sub_client_command {
		637	uint32_t cmd;
		638	uint32_t cmdsize;
		639	uint32_t client;
		640	};
		641
		642	struct sub_umbrella_command {
		643	uint32_t cmd;
		644	uint32_t cmdsize;
		645	uint32_t sub_umbrella;
		646	};
		647
		648	struct sub_library_command {
		649	uint32_t cmd;
		650	uint32_t cmdsize;
		651	uint32_t sub_library;
		652	};
		653
		654	// The prebound_dylib_command is obsolete and no longer supported.
		655	struct prebound_dylib_command {
		656	uint32_t cmd;
		657	uint32_t cmdsize;
		658	uint32_t name;
		659	uint32_t nmodules;
		660	uint32_t linked_modules;
		661	};
		662
		663	struct dylinker_command {
		664	uint32_t cmd;
		665	uint32_t cmdsize;
		666	uint32_t name;
		667	};
		668
		669	struct thread_command {
		670	uint32_t cmd;
		671	uint32_t cmdsize;
		672	};
		673
		674	struct routines_command {
		675	uint32_t cmd;
		676	uint32_t cmdsize;
		677	uint32_t init_address;
		678	uint32_t init_module;
		679	uint32_t reserved1;
		680	uint32_t reserved2;
		681	uint32_t reserved3;
		682	uint32_t reserved4;
		683	uint32_t reserved5;
		684	uint32_t reserved6;
		685	};
		686
		687	struct routines_command_64 {
		688	uint32_t cmd;
		689	uint32_t cmdsize;
		690	uint64_t init_address;
		691	uint64_t init_module;
		692	uint64_t reserved1;
		693	uint64_t reserved2;
		694	uint64_t reserved3;
		695	uint64_t reserved4;
		696	uint64_t reserved5;
		697	uint64_t reserved6;
		698	};
		699
		700	struct symtab_command {
		701	uint32_t cmd;
		702	uint32_t cmdsize;
		703	uint32_t symoff;
		704	uint32_t nsyms;
		705	uint32_t stroff;
		706	uint32_t strsize;
		707	};
		708
		709	struct dysymtab_command {
		710	uint32_t cmd;
		711	uint32_t cmdsize;
		712	uint32_t ilocalsym;
		713	uint32_t nlocalsym;
		714	uint32_t iextdefsym;
		715	uint32_t nextdefsym;
		716	uint32_t iundefsym;
		717	uint32_t nundefsym;
		718	uint32_t tocoff;
		719	uint32_t ntoc;
		720	uint32_t modtaboff;
		721	uint32_t nmodtab;
		722	uint32_t extrefsymoff;
		723	uint32_t nextrefsyms;
		724	uint32_t indirectsymoff;
		725	uint32_t nindirectsyms;
		726	uint32_t extreloff;
		727	uint32_t nextrel;
		728	uint32_t locreloff;
		729	uint32_t nlocrel;
		730	};
		731
		732	struct dylib_table_of_contents {
		733	uint32_t symbol_index;
		734	uint32_t module_index;
		735	};
		736
		737	struct dylib_module {
		738	uint32_t module_name;
		739	uint32_t iextdefsym;
		740	uint32_t nextdefsym;
		741	uint32_t irefsym;
		742	uint32_t nrefsym;
		743	uint32_t ilocalsym;
		744	uint32_t nlocalsym;
		745	uint32_t iextrel;
		746	uint32_t nextrel;
		747	uint32_t iinit_iterm;
		748	uint32_t ninit_nterm;
		749	uint32_t objc_module_info_addr;
		750	uint32_t objc_module_info_size;
		751	};
		752
		753	struct dylib_module_64 {
		754	uint32_t module_name;
		755	uint32_t iextdefsym;
		756	uint32_t nextdefsym;
		757	uint32_t irefsym;
		758	uint32_t nrefsym;
		759	uint32_t ilocalsym;
		760	uint32_t nlocalsym;
		761	uint32_t iextrel;
		762	uint32_t nextrel;
		763	uint32_t iinit_iterm;
		764	uint32_t ninit_nterm;
		765	uint32_t objc_module_info_size;
		766	uint64_t objc_module_info_addr;
		767	};
		768
		769	struct dylib_reference {
		770	uint32_t isym : 24, flags : 8;
		771	};
		772
		773	// The twolevel_hints_command is obsolete and no longer supported.
		774	struct twolevel_hints_command {
		775	uint32_t cmd;
		776	uint32_t cmdsize;
		777	uint32_t offset;
		778	uint32_t nhints;
		779	};
		780
		781	// The twolevel_hints_command is obsolete and no longer supported.
		782	struct twolevel_hint {
		783	uint32_t isub_image : 8, itoc : 24;
		784	};
		785
		786	// The prebind_cksum_command is obsolete and no longer supported.
		787	struct prebind_cksum_command {
		788	uint32_t cmd;
		789	uint32_t cmdsize;
		790	uint32_t cksum;
		791	};
		792
		793	struct uuid_command {
		794	uint32_t cmd;
		795	uint32_t cmdsize;
		796	uint8_t uuid[16];
		797	};
		798
		799	struct rpath_command {
		800	uint32_t cmd;
		801	uint32_t cmdsize;
		802	uint32_t path;
		803	};
		804
		805	struct linkedit_data_command {
		806	uint32_t cmd;
		807	uint32_t cmdsize;
		808	uint32_t dataoff;
		809	uint32_t datasize;
		810	};
		811
		812	struct data_in_code_entry {
		813	uint32_t offset;
		814	uint16_t length;
		815	uint16_t kind;
		816	};
		817
		818	struct source_version_command {
		819	uint32_t cmd;
		820	uint32_t cmdsize;
		821	uint64_t version;
		822	};
		823
		824	struct encryption_info_command {
		825	uint32_t cmd;
		826	uint32_t cmdsize;
		827	uint32_t cryptoff;
		828	uint32_t cryptsize;
		829	uint32_t cryptid;
		830	};
		831
		832	struct encryption_info_command_64 {
		833	uint32_t cmd;
		834	uint32_t cmdsize;
		835	uint32_t cryptoff;
		836	uint32_t cryptsize;
		837	uint32_t cryptid;
		838	uint32_t pad;
		839	};
		840
		841	struct version_min_command {
		842	uint32_t cmd; // LC_VERSION_MIN_MACOSX or
		843	// LC_VERSION_MIN_IPHONEOS
		844	uint32_t cmdsize; // sizeof(struct version_min_command)
		845	uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
		846	uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
		847	};
		848
		849	struct note_command {
		850	uint32_t cmd; // LC_NOTE
		851	uint32_t cmdsize; // sizeof(struct note_command)
		852	char data_owner[16]; // owner name for this LC_NOTE
		853	uint64_t offset; // file offset of this data
		854	uint64_t size; // length of data region
		855	};
		856
		857	struct build_tool_version {
		858	uint32_t tool; // enum for the tool
		859	uint32_t version; // version of the tool
		860	};
		861
		862	struct build_version_command {
		863	uint32_t cmd; // LC_BUILD_VERSION
		864	uint32_t cmdsize; // sizeof(struct build_version_command) +
		865	// ntools * sizeof(struct build_tool_version)
		866	uint32_t platform; // platform
		867	uint32_t minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz
		868	uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
		869	uint32_t ntools; // number of tool entries following this
		870	};
		871
		872	struct dyld_env_command {
		873	uint32_t cmd;
		874	uint32_t cmdsize;
		875	uint32_t name;
		876	};
		877
		878	struct dyld_info_command {
		879	uint32_t cmd;
		880	uint32_t cmdsize;
		881	uint32_t rebase_off;
		882	uint32_t rebase_size;
		883	uint32_t bind_off;
		884	uint32_t bind_size;
		885	uint32_t weak_bind_off;
		886	uint32_t weak_bind_size;
		887	uint32_t lazy_bind_off;
		888	uint32_t lazy_bind_size;
		889	uint32_t export_off;
		890	uint32_t export_size;
		891	};
		892
		893	struct linker_option_command {
		894	uint32_t cmd;
		895	uint32_t cmdsize;
		896	uint32_t count;
		897	};
		898
		899	struct fileset_entry_command {
		900	uint32_t cmd;
		901	uint32_t cmdsize;
		902	uint64_t vmaddr;
		903	uint64_t fileoff;
		904	uint32_t entry_id;
		905	};
		906
		907	// The symseg_command is obsolete and no longer supported.
		908	struct symseg_command {
		909	uint32_t cmd;
		910	uint32_t cmdsize;
		911	uint32_t offset;
		912	uint32_t size;
		913	};
		914
		915	// The ident_command is obsolete and no longer supported.
		916	struct ident_command {
		917	uint32_t cmd;
		918	uint32_t cmdsize;
		919	};
		920
		921	// The fvmfile_command is obsolete and no longer supported.
		922	struct fvmfile_command {
		923	uint32_t cmd;
		924	uint32_t cmdsize;
		925	uint32_t name;
		926	uint32_t header_addr;
		927	};
		928
		929	struct tlv_descriptor_32 {
		930	uint32_t thunk;
		931	uint32_t key;
		932	uint32_t offset;
		933	};
		934
		935	struct tlv_descriptor_64 {
		936	uint64_t thunk;
		937	uint64_t key;
		938	uint64_t offset;
		939	};
		940
		941	struct tlv_descriptor {
		942	uintptr_t thunk;
		943	uintptr_t key;
		944	uintptr_t offset;
		945	};
		946
		947	struct entry_point_command {
		948	uint32_t cmd;
		949	uint32_t cmdsize;
		950	uint64_t entryoff;
		951	uint64_t stacksize;
		952	};
		953
		954	// Structs from <mach-o/fat.h>
		955	struct fat_header {
		956	uint32_t magic;
		957	uint32_t nfat_arch;
		958	};
		959
		960	struct fat_arch {
		961	uint32_t cputype;
		962	uint32_t cpusubtype;
		963	uint32_t offset;
		964	uint32_t size;
		965	uint32_t align;
		966	};
		967
		968	struct fat_arch_64 {
		969	uint32_t cputype;
		970	uint32_t cpusubtype;
		971	uint64_t offset;
		972	uint64_t size;
		973	uint32_t align;
		974	uint32_t reserved;
		975	};
		976
		977	// Structs from <mach-o/reloc.h>
		978	struct relocation_info {
		979	int32_t r_address;
		980	uint32_t r_symbolnum : 24, r_pcrel : 1, r_length : 2, r_extern : 1,
		981	r_type : 4;
		982	};
		983
		984	struct scattered_relocation_info {
		985	#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
		986	uint32_t r_scattered : 1, r_pcrel : 1, r_length : 2, r_type : 4,
		987	r_address : 24;
		988	#else
		989	uint32_t r_address : 24, r_type : 4, r_length : 2, r_pcrel : 1,
		990	r_scattered : 1;
		991	#endif
		992	int32_t r_value;
		993	};
		994
		995	// Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
		996	struct any_relocation_info {
		997	uint32_t r_word0, r_word1;
		998	};
		999
		1000	// Structs from <mach-o/nlist.h>
		1001	struct nlist_base {
		1002	uint32_t n_strx;
		1003	uint8_t n_type;
		1004	uint8_t n_sect;
		1005	uint16_t n_desc;
		1006	};
		1007
		1008	struct nlist {
		1009	uint32_t n_strx;
		1010	uint8_t n_type;
		1011	uint8_t n_sect;
		1012	int16_t n_desc;
		1013	uint32_t n_value;
		1014	};
		1015
		1016	struct nlist_64 {
		1017	uint32_t n_strx;
		1018	uint8_t n_type;
		1019	uint8_t n_sect;
		1020	uint16_t n_desc;
		1021	uint64_t n_value;
		1022	};
		1023
		1024	// Values for dyld_chained_fixups_header::imports_format.
		1025	enum ChainedImportFormat {
		1026	DYLD_CHAINED_IMPORT = 1,
		1027	DYLD_CHAINED_IMPORT_ADDEND = 2,
		1028	DYLD_CHAINED_IMPORT_ADDEND64 = 3,
		1029	};
		1030
		1031	// Values for dyld_chained_fixups_header::symbols_format.
		1032	enum {
		1033	DYLD_CHAINED_SYMBOL_UNCOMPRESSED = 0,
		1034	DYLD_CHAINED_SYMBOL_ZLIB = 1,
		1035	};
		1036
		1037	// Values for dyld_chained_starts_in_segment::page_start.
		1038	enum {
		1039	DYLD_CHAINED_PTR_START_NONE = 0xFFFF,
		1040	DYLD_CHAINED_PTR_START_MULTI = 0x8000,
		1041	DYLD_CHAINED_PTR_START_LAST = 0x8000,
		1042	};
		1043
		1044	// Values for dyld_chained_starts_in_segment::pointer_format.
		1045	enum {
		1046	DYLD_CHAINED_PTR_ARM64E = 1,
		1047	DYLD_CHAINED_PTR_64 = 2,
		1048	DYLD_CHAINED_PTR_32 = 3,
		1049	DYLD_CHAINED_PTR_32_CACHE = 4,
		1050	DYLD_CHAINED_PTR_32_FIRMWARE = 5,
		1051	DYLD_CHAINED_PTR_64_OFFSET = 6,
		1052	DYLD_CHAINED_PTR_ARM64E_KERNEL = 7,
		1053	DYLD_CHAINED_PTR_64_KERNEL_CACHE = 8,
		1054	DYLD_CHAINED_PTR_ARM64E_USERLAND = 9,
		1055	DYLD_CHAINED_PTR_ARM64E_FIRMWARE = 10,
		1056	DYLD_CHAINED_PTR_X86_64_KERNEL_CACHE = 11,
		1057	DYLD_CHAINED_PTR_ARM64E_USERLAND24 = 12,
		1058	};
		1059
		1060	/// Structs for dyld chained fixups.
		1061	/// dyld_chained_fixups_header is the data pointed to by LC_DYLD_CHAINED_FIXUPS
		1062	/// load command.
		1063	struct dyld_chained_fixups_header {
		1064	uint32_t fixups_version; ///< 0
		1065	uint32_t starts_offset; ///< Offset of dyld_chained_starts_in_image.
		1066	uint32_t imports_offset; ///< Offset of imports table in chain_data.
		1067	uint32_t symbols_offset; ///< Offset of symbol strings in chain_data.
		1068	uint32_t imports_count; ///< Number of imported symbol names.
		1069	uint32_t imports_format; ///< DYLD_CHAINED_IMPORT*
		1070	uint32_t symbols_format; ///< 0 => uncompressed, 1 => zlib compressed
		1071	};
		1072
		1073	/// dyld_chained_starts_in_image is embedded in LC_DYLD_CHAINED_FIXUPS payload.
		1074	/// Each each seg_info_offset entry is the offset into this struct for that
		1075	/// segment followed by pool of dyld_chain_starts_in_segment data.
		1076	struct dyld_chained_starts_in_image {
		1077	uint32_t seg_count;
		1078	uint32_t seg_info_offset[1];
		1079	};
		1080
		1081	struct dyld_chained_starts_in_segment {
		1082	uint32_t size; ///< Size of this, including chain_starts entries
		1083	uint16_t page_size; ///< Page size in bytes (0x1000 or 0x4000)
		1084	uint16_t pointer_format; ///< DYLD_CHAINED_PTR*
		1085	uint64_t segment_offset; ///< VM offset from the __TEXT segment
		1086	uint32_t max_valid_pointer; ///< Values beyond this are not pointers on 32-bit
		1087	uint16_t page_count; ///< Length of the page_start array
		1088	uint16_t page_start[1]; ///< Page offset of first fixup on each page, or
		1089	///< DYLD_CHAINED_PTR_START_NONE if no fixups
		1090	};
		1091
		1092	// DYLD_CHAINED_IMPORT
		1093	struct dyld_chained_import {
		1094	uint32_t lib_ordinal : 8;
		1095	uint32_t weak_import : 1;
		1096	uint32_t name_offset : 23;
		1097	};
		1098
		1099	// DYLD_CHAINED_IMPORT_ADDEND
		1100	struct dyld_chained_import_addend {
		1101	uint32_t lib_ordinal : 8;
		1102	uint32_t weak_import : 1;
		1103	uint32_t name_offset : 23;
		1104	int32_t addend;
		1105	};
		1106
		1107	// DYLD_CHAINED_IMPORT_ADDEND64
		1108	struct dyld_chained_import_addend64 {
		1109	uint64_t lib_ordinal : 16;
		1110	uint64_t weak_import : 1;
		1111	uint64_t reserved : 15;
		1112	uint64_t name_offset : 32;
		1113	uint64_t addend;
		1114	};
		1115
		1116	// The `bind` field (most significant bit) of the encoded fixup determines
		1117	// whether it is dyld_chained_ptr_64_bind or dyld_chained_ptr_64_rebase.
		1118
		1119	// DYLD_CHAINED_PTR_64/DYLD_CHAINED_PTR_64_OFFSET
		1120	struct dyld_chained_ptr_64_bind {
		1121	uint64_t ordinal : 24;
		1122	uint64_t addend : 8;
		1123	uint64_t reserved : 19;
		1124	uint64_t next : 12;
		1125	uint64_t bind : 1; // set to 1
		1126	};
		1127
		1128	// DYLD_CHAINED_PTR_64/DYLD_CHAINED_PTR_64_OFFSET
		1129	struct dyld_chained_ptr_64_rebase {
		1130	uint64_t target : 36;
		1131	uint64_t high8 : 8;
		1132	uint64_t reserved : 7;
		1133	uint64_t next : 12;
		1134	uint64_t bind : 1; // set to 0
		1135	};
		1136
		1137	// Byte order swapping functions for MachO structs
		1138
		1139	inline void swapStruct(fat_header &mh) {
		1140	sys::swapByteOrder(mh.magic);
		1141	sys::swapByteOrder(mh.nfat_arch);
		1142	}
		1143
		1144	inline void swapStruct(fat_arch &mh) {
		1145	sys::swapByteOrder(mh.cputype);
		1146	sys::swapByteOrder(mh.cpusubtype);
		1147	sys::swapByteOrder(mh.offset);
		1148	sys::swapByteOrder(mh.size);
		1149	sys::swapByteOrder(mh.align);
		1150	}
		1151
		1152	inline void swapStruct(fat_arch_64 &mh) {
		1153	sys::swapByteOrder(mh.cputype);
		1154	sys::swapByteOrder(mh.cpusubtype);
		1155	sys::swapByteOrder(mh.offset);
		1156	sys::swapByteOrder(mh.size);
		1157	sys::swapByteOrder(mh.align);
		1158	sys::swapByteOrder(mh.reserved);
		1159	}
		1160
		1161	inline void swapStruct(mach_header &mh) {
		1162	sys::swapByteOrder(mh.magic);
		1163	sys::swapByteOrder(mh.cputype);
		1164	sys::swapByteOrder(mh.cpusubtype);
		1165	sys::swapByteOrder(mh.filetype);
		1166	sys::swapByteOrder(mh.ncmds);
		1167	sys::swapByteOrder(mh.sizeofcmds);
		1168	sys::swapByteOrder(mh.flags);
		1169	}
		1170
		1171	inline void swapStruct(mach_header_64 &H) {
		1172	sys::swapByteOrder(H.magic);
		1173	sys::swapByteOrder(H.cputype);
		1174	sys::swapByteOrder(H.cpusubtype);
		1175	sys::swapByteOrder(H.filetype);
		1176	sys::swapByteOrder(H.ncmds);
		1177	sys::swapByteOrder(H.sizeofcmds);
		1178	sys::swapByteOrder(H.flags);
		1179	sys::swapByteOrder(H.reserved);
		1180	}
		1181
		1182	inline void swapStruct(load_command &lc) {
		1183	sys::swapByteOrder(lc.cmd);
		1184	sys::swapByteOrder(lc.cmdsize);
		1185	}
		1186
		1187	inline void swapStruct(symtab_command &lc) {
		1188	sys::swapByteOrder(lc.cmd);
		1189	sys::swapByteOrder(lc.cmdsize);
		1190	sys::swapByteOrder(lc.symoff);
		1191	sys::swapByteOrder(lc.nsyms);
		1192	sys::swapByteOrder(lc.stroff);
		1193	sys::swapByteOrder(lc.strsize);
		1194	}
		1195
		1196	inline void swapStruct(segment_command_64 &seg) {
		1197	sys::swapByteOrder(seg.cmd);
		1198	sys::swapByteOrder(seg.cmdsize);
		1199	sys::swapByteOrder(seg.vmaddr);
		1200	sys::swapByteOrder(seg.vmsize);
		1201	sys::swapByteOrder(seg.fileoff);
		1202	sys::swapByteOrder(seg.filesize);
		1203	sys::swapByteOrder(seg.maxprot);
		1204	sys::swapByteOrder(seg.initprot);
		1205	sys::swapByteOrder(seg.nsects);
		1206	sys::swapByteOrder(seg.flags);
		1207	}
		1208
		1209	inline void swapStruct(segment_command &seg) {
		1210	sys::swapByteOrder(seg.cmd);
		1211	sys::swapByteOrder(seg.cmdsize);
		1212	sys::swapByteOrder(seg.vmaddr);
		1213	sys::swapByteOrder(seg.vmsize);
		1214	sys::swapByteOrder(seg.fileoff);
		1215	sys::swapByteOrder(seg.filesize);
		1216	sys::swapByteOrder(seg.maxprot);
		1217	sys::swapByteOrder(seg.initprot);
		1218	sys::swapByteOrder(seg.nsects);
		1219	sys::swapByteOrder(seg.flags);
		1220	}
		1221
		1222	inline void swapStruct(section_64 &sect) {
		1223	sys::swapByteOrder(sect.addr);
		1224	sys::swapByteOrder(sect.size);
		1225	sys::swapByteOrder(sect.offset);
		1226	sys::swapByteOrder(sect.align);
		1227	sys::swapByteOrder(sect.reloff);
		1228	sys::swapByteOrder(sect.nreloc);
		1229	sys::swapByteOrder(sect.flags);
		1230	sys::swapByteOrder(sect.reserved1);
		1231	sys::swapByteOrder(sect.reserved2);
		1232	}
		1233
		1234	inline void swapStruct(section &sect) {
		1235	sys::swapByteOrder(sect.addr);
		1236	sys::swapByteOrder(sect.size);
		1237	sys::swapByteOrder(sect.offset);
		1238	sys::swapByteOrder(sect.align);
		1239	sys::swapByteOrder(sect.reloff);
		1240	sys::swapByteOrder(sect.nreloc);
		1241	sys::swapByteOrder(sect.flags);
		1242	sys::swapByteOrder(sect.reserved1);
		1243	sys::swapByteOrder(sect.reserved2);
		1244	}
		1245
		1246	inline void swapStruct(dyld_info_command &info) {
		1247	sys::swapByteOrder(info.cmd);
		1248	sys::swapByteOrder(info.cmdsize);
		1249	sys::swapByteOrder(info.rebase_off);
		1250	sys::swapByteOrder(info.rebase_size);
		1251	sys::swapByteOrder(info.bind_off);
		1252	sys::swapByteOrder(info.bind_size);
		1253	sys::swapByteOrder(info.weak_bind_off);
		1254	sys::swapByteOrder(info.weak_bind_size);
		1255	sys::swapByteOrder(info.lazy_bind_off);
		1256	sys::swapByteOrder(info.lazy_bind_size);
		1257	sys::swapByteOrder(info.export_off);
		1258	sys::swapByteOrder(info.export_size);
		1259	}
		1260
		1261	inline void swapStruct(dylib_command &d) {
		1262	sys::swapByteOrder(d.cmd);
		1263	sys::swapByteOrder(d.cmdsize);
		1264	sys::swapByteOrder(d.dylib.name);
		1265	sys::swapByteOrder(d.dylib.timestamp);
		1266	sys::swapByteOrder(d.dylib.current_version);
		1267	sys::swapByteOrder(d.dylib.compatibility_version);
		1268	}
		1269
		1270	inline void swapStruct(sub_framework_command &s) {
		1271	sys::swapByteOrder(s.cmd);
		1272	sys::swapByteOrder(s.cmdsize);
		1273	sys::swapByteOrder(s.umbrella);
		1274	}
		1275
		1276	inline void swapStruct(sub_umbrella_command &s) {
		1277	sys::swapByteOrder(s.cmd);
		1278	sys::swapByteOrder(s.cmdsize);
		1279	sys::swapByteOrder(s.sub_umbrella);
		1280	}
		1281
		1282	inline void swapStruct(sub_library_command &s) {
		1283	sys::swapByteOrder(s.cmd);
		1284	sys::swapByteOrder(s.cmdsize);
		1285	sys::swapByteOrder(s.sub_library);
		1286	}
		1287
		1288	inline void swapStruct(sub_client_command &s) {
		1289	sys::swapByteOrder(s.cmd);
		1290	sys::swapByteOrder(s.cmdsize);
		1291	sys::swapByteOrder(s.client);
		1292	}
		1293
		1294	inline void swapStruct(routines_command &r) {
		1295	sys::swapByteOrder(r.cmd);
		1296	sys::swapByteOrder(r.cmdsize);
		1297	sys::swapByteOrder(r.init_address);
		1298	sys::swapByteOrder(r.init_module);
		1299	sys::swapByteOrder(r.reserved1);
		1300	sys::swapByteOrder(r.reserved2);
		1301	sys::swapByteOrder(r.reserved3);
		1302	sys::swapByteOrder(r.reserved4);
		1303	sys::swapByteOrder(r.reserved5);
		1304	sys::swapByteOrder(r.reserved6);
		1305	}
		1306
		1307	inline void swapStruct(routines_command_64 &r) {
		1308	sys::swapByteOrder(r.cmd);
		1309	sys::swapByteOrder(r.cmdsize);
		1310	sys::swapByteOrder(r.init_address);
		1311	sys::swapByteOrder(r.init_module);
		1312	sys::swapByteOrder(r.reserved1);
		1313	sys::swapByteOrder(r.reserved2);
		1314	sys::swapByteOrder(r.reserved3);
		1315	sys::swapByteOrder(r.reserved4);
		1316	sys::swapByteOrder(r.reserved5);
		1317	sys::swapByteOrder(r.reserved6);
		1318	}
		1319
		1320	inline void swapStruct(thread_command &t) {
		1321	sys::swapByteOrder(t.cmd);
		1322	sys::swapByteOrder(t.cmdsize);
		1323	}
		1324
		1325	inline void swapStruct(dylinker_command &d) {
		1326	sys::swapByteOrder(d.cmd);
		1327	sys::swapByteOrder(d.cmdsize);
		1328	sys::swapByteOrder(d.name);
		1329	}
		1330
		1331	inline void swapStruct(uuid_command &u) {
		1332	sys::swapByteOrder(u.cmd);
		1333	sys::swapByteOrder(u.cmdsize);
		1334	}
		1335
		1336	inline void swapStruct(rpath_command &r) {
		1337	sys::swapByteOrder(r.cmd);
		1338	sys::swapByteOrder(r.cmdsize);
		1339	sys::swapByteOrder(r.path);
		1340	}
		1341
		1342	inline void swapStruct(source_version_command &s) {
		1343	sys::swapByteOrder(s.cmd);
		1344	sys::swapByteOrder(s.cmdsize);
		1345	sys::swapByteOrder(s.version);
		1346	}
		1347
		1348	inline void swapStruct(entry_point_command &e) {
		1349	sys::swapByteOrder(e.cmd);
		1350	sys::swapByteOrder(e.cmdsize);
		1351	sys::swapByteOrder(e.entryoff);
		1352	sys::swapByteOrder(e.stacksize);
		1353	}
		1354
		1355	inline void swapStruct(encryption_info_command &e) {
		1356	sys::swapByteOrder(e.cmd);
		1357	sys::swapByteOrder(e.cmdsize);
		1358	sys::swapByteOrder(e.cryptoff);
		1359	sys::swapByteOrder(e.cryptsize);
		1360	sys::swapByteOrder(e.cryptid);
		1361	}
		1362
		1363	inline void swapStruct(encryption_info_command_64 &e) {
		1364	sys::swapByteOrder(e.cmd);
		1365	sys::swapByteOrder(e.cmdsize);
		1366	sys::swapByteOrder(e.cryptoff);
		1367	sys::swapByteOrder(e.cryptsize);
		1368	sys::swapByteOrder(e.cryptid);
		1369	sys::swapByteOrder(e.pad);
		1370	}
		1371
		1372	inline void swapStruct(dysymtab_command &dst) {
		1373	sys::swapByteOrder(dst.cmd);
		1374	sys::swapByteOrder(dst.cmdsize);
		1375	sys::swapByteOrder(dst.ilocalsym);
		1376	sys::swapByteOrder(dst.nlocalsym);
		1377	sys::swapByteOrder(dst.iextdefsym);
		1378	sys::swapByteOrder(dst.nextdefsym);
		1379	sys::swapByteOrder(dst.iundefsym);
		1380	sys::swapByteOrder(dst.nundefsym);
		1381	sys::swapByteOrder(dst.tocoff);
		1382	sys::swapByteOrder(dst.ntoc);
		1383	sys::swapByteOrder(dst.modtaboff);
		1384	sys::swapByteOrder(dst.nmodtab);
		1385	sys::swapByteOrder(dst.extrefsymoff);
		1386	sys::swapByteOrder(dst.nextrefsyms);
		1387	sys::swapByteOrder(dst.indirectsymoff);
		1388	sys::swapByteOrder(dst.nindirectsyms);
		1389	sys::swapByteOrder(dst.extreloff);
		1390	sys::swapByteOrder(dst.nextrel);
		1391	sys::swapByteOrder(dst.locreloff);
		1392	sys::swapByteOrder(dst.nlocrel);
		1393	}
		1394
		1395	inline void swapStruct(any_relocation_info &reloc) {
		1396	sys::swapByteOrder(reloc.r_word0);
		1397	sys::swapByteOrder(reloc.r_word1);
		1398	}
		1399
		1400	inline void swapStruct(nlist_base &S) {
		1401	sys::swapByteOrder(S.n_strx);
		1402	sys::swapByteOrder(S.n_desc);
		1403	}
		1404
		1405	inline void swapStruct(nlist &sym) {
		1406	sys::swapByteOrder(sym.n_strx);
		1407	sys::swapByteOrder(sym.n_desc);
		1408	sys::swapByteOrder(sym.n_value);
		1409	}
		1410
		1411	inline void swapStruct(nlist_64 &sym) {
		1412	sys::swapByteOrder(sym.n_strx);
		1413	sys::swapByteOrder(sym.n_desc);
		1414	sys::swapByteOrder(sym.n_value);
		1415	}
		1416
		1417	inline void swapStruct(linkedit_data_command &C) {
		1418	sys::swapByteOrder(C.cmd);
		1419	sys::swapByteOrder(C.cmdsize);
		1420	sys::swapByteOrder(C.dataoff);
		1421	sys::swapByteOrder(C.datasize);
		1422	}
		1423
		1424	inline void swapStruct(linker_option_command &C) {
		1425	sys::swapByteOrder(C.cmd);
		1426	sys::swapByteOrder(C.cmdsize);
		1427	sys::swapByteOrder(C.count);
		1428	}
		1429
		1430	inline void swapStruct(fileset_entry_command &C) {
		1431	sys::swapByteOrder(C.cmd);
		1432	sys::swapByteOrder(C.cmdsize);
		1433	sys::swapByteOrder(C.vmaddr);
		1434	sys::swapByteOrder(C.fileoff);
		1435	sys::swapByteOrder(C.entry_id);
		1436	}
		1437
		1438	inline void swapStruct(version_min_command &C) {
		1439	sys::swapByteOrder(C.cmd);
		1440	sys::swapByteOrder(C.cmdsize);
		1441	sys::swapByteOrder(C.version);
		1442	sys::swapByteOrder(C.sdk);
		1443	}
		1444
		1445	inline void swapStruct(note_command &C) {
		1446	sys::swapByteOrder(C.cmd);
		1447	sys::swapByteOrder(C.cmdsize);
		1448	sys::swapByteOrder(C.offset);
		1449	sys::swapByteOrder(C.size);
		1450	}
		1451
		1452	inline void swapStruct(build_version_command &C) {
		1453	sys::swapByteOrder(C.cmd);
		1454	sys::swapByteOrder(C.cmdsize);
		1455	sys::swapByteOrder(C.platform);
		1456	sys::swapByteOrder(C.minos);
		1457	sys::swapByteOrder(C.sdk);
		1458	sys::swapByteOrder(C.ntools);
		1459	}
		1460
		1461	inline void swapStruct(build_tool_version &C) {
		1462	sys::swapByteOrder(C.tool);
		1463	sys::swapByteOrder(C.version);
		1464	}
		1465
		1466	inline void swapStruct(data_in_code_entry &C) {
		1467	sys::swapByteOrder(C.offset);
		1468	sys::swapByteOrder(C.length);
		1469	sys::swapByteOrder(C.kind);
		1470	}
		1471
		1472	inline void swapStruct(uint32_t &C) { sys::swapByteOrder(C); }
		1473
		1474	// The prebind_cksum_command is obsolete and no longer supported.
		1475	inline void swapStruct(prebind_cksum_command &C) {
		1476	sys::swapByteOrder(C.cmd);
		1477	sys::swapByteOrder(C.cmdsize);
		1478	sys::swapByteOrder(C.cksum);
		1479	}
		1480
		1481	// The twolevel_hints_command is obsolete and no longer supported.
		1482	inline void swapStruct(twolevel_hints_command &C) {
		1483	sys::swapByteOrder(C.cmd);
		1484	sys::swapByteOrder(C.cmdsize);
		1485	sys::swapByteOrder(C.offset);
		1486	sys::swapByteOrder(C.nhints);
		1487	}
		1488
		1489	// The prebound_dylib_command is obsolete and no longer supported.
		1490	inline void swapStruct(prebound_dylib_command &C) {
		1491	sys::swapByteOrder(C.cmd);
		1492	sys::swapByteOrder(C.cmdsize);
		1493	sys::swapByteOrder(C.name);
		1494	sys::swapByteOrder(C.nmodules);
		1495	sys::swapByteOrder(C.linked_modules);
		1496	}
		1497
		1498	// The fvmfile_command is obsolete and no longer supported.
		1499	inline void swapStruct(fvmfile_command &C) {
		1500	sys::swapByteOrder(C.cmd);
		1501	sys::swapByteOrder(C.cmdsize);
		1502	sys::swapByteOrder(C.name);
		1503	sys::swapByteOrder(C.header_addr);
		1504	}
		1505
		1506	// The symseg_command is obsolete and no longer supported.
		1507	inline void swapStruct(symseg_command &C) {
		1508	sys::swapByteOrder(C.cmd);
		1509	sys::swapByteOrder(C.cmdsize);
		1510	sys::swapByteOrder(C.offset);
		1511	sys::swapByteOrder(C.size);
		1512	}
		1513
		1514	// The ident_command is obsolete and no longer supported.
		1515	inline void swapStruct(ident_command &C) {
		1516	sys::swapByteOrder(C.cmd);
		1517	sys::swapByteOrder(C.cmdsize);
		1518	}
		1519
		1520	inline void swapStruct(fvmlib &C) {
		1521	sys::swapByteOrder(C.name);
		1522	sys::swapByteOrder(C.minor_version);
		1523	sys::swapByteOrder(C.header_addr);
		1524	}
		1525
		1526	// The fvmlib_command is obsolete and no longer supported.
		1527	inline void swapStruct(fvmlib_command &C) {
		1528	sys::swapByteOrder(C.cmd);
		1529	sys::swapByteOrder(C.cmdsize);
		1530	swapStruct(C.fvmlib);
		1531	}
		1532
		1533	// Get/Set functions from <mach-o/nlist.h>
		1534
		1535	inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
		1536	return (((n_desc) >> 8u) & 0xffu);
		1537	}
		1538
		1539	inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) {
		1540	n_desc = (((n_desc)&0x00ff) \| (((ordinal)&0xff) << 8));
		1541	}
		1542
		1543	inline uint8_t GET_COMM_ALIGN(uint16_t n_desc) {
		1544	return (n_desc >> 8u) & 0x0fu;
		1545	}
		1546
		1547	inline void SET_COMM_ALIGN(uint16_t &n_desc, uint8_t align) {
		1548	n_desc = ((n_desc & 0xf0ffu) \| ((align & 0x0fu) << 8u));
		1549	}
		1550
		1551	// Enums from <mach/machine.h>
		1552	enum : uint32_t {
		1553	// Capability bits used in the definition of cpu_type.
		1554	CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
		1555	CPU_ARCH_ABI64 = 0x01000000, // 64 bit ABI
		1556	CPU_ARCH_ABI64_32 = 0x02000000, // ILP32 ABI on 64-bit hardware
		1557	};
		1558
		1559	// Constants for the cputype field.
		1560	enum CPUType {
		1561	CPU_TYPE_ANY = -1,
		1562	CPU_TYPE_X86 = 7,
		1563	CPU_TYPE_I386 = CPU_TYPE_X86,
		1564	CPU_TYPE_X86_64 = CPU_TYPE_X86 \| CPU_ARCH_ABI64,
		1565	/* CPU_TYPE_MIPS = 8, */
		1566	CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
		1567	CPU_TYPE_ARM = 12,
		1568	CPU_TYPE_ARM64 = CPU_TYPE_ARM \| CPU_ARCH_ABI64,
		1569	CPU_TYPE_ARM64_32 = CPU_TYPE_ARM \| CPU_ARCH_ABI64_32,
		1570	CPU_TYPE_SPARC = 14,
		1571	CPU_TYPE_POWERPC = 18,
		1572	CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC \| CPU_ARCH_ABI64
		1573	};
		1574
		1575	enum : uint32_t {
		1576	// Capability bits used in the definition of cpusubtype.
		1577	CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
		1578	CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
		1579
		1580	// Special CPU subtype constants.
		1581	CPU_SUBTYPE_MULTIPLE = ~0u
		1582	};
		1583
		1584	// Constants for the cpusubtype field.
		1585	enum CPUSubTypeX86 {
		1586	CPU_SUBTYPE_I386_ALL = 3,
		1587	CPU_SUBTYPE_386 = 3,
		1588	CPU_SUBTYPE_486 = 4,
		1589	CPU_SUBTYPE_486SX = 0x84,
		1590	CPU_SUBTYPE_586 = 5,
		1591	CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
		1592	CPU_SUBTYPE_PENTPRO = 0x16,
		1593	CPU_SUBTYPE_PENTII_M3 = 0x36,
		1594	CPU_SUBTYPE_PENTII_M5 = 0x56,
		1595	CPU_SUBTYPE_CELERON = 0x67,
		1596	CPU_SUBTYPE_CELERON_MOBILE = 0x77,
		1597	CPU_SUBTYPE_PENTIUM_3 = 0x08,
		1598	CPU_SUBTYPE_PENTIUM_3_M = 0x18,
		1599	CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
		1600	CPU_SUBTYPE_PENTIUM_M = 0x09,
		1601	CPU_SUBTYPE_PENTIUM_4 = 0x0a,
		1602	CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
		1603	CPU_SUBTYPE_ITANIUM = 0x0b,
		1604	CPU_SUBTYPE_ITANIUM_2 = 0x1b,
		1605	CPU_SUBTYPE_XEON = 0x0c,
		1606	CPU_SUBTYPE_XEON_MP = 0x1c,
		1607
		1608	CPU_SUBTYPE_X86_ALL = 3,
		1609	CPU_SUBTYPE_X86_64_ALL = 3,
		1610	CPU_SUBTYPE_X86_ARCH1 = 4,
		1611	CPU_SUBTYPE_X86_64_H = 8
		1612	};
		1613	inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
		1614	return Family \| (Model << 4);
		1615	}
		1616	inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) {
		1617	return ((int)ST) & 0x0f;
		1618	}
		1619	inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { return ((int)ST) >> 4; }
		1620	enum { CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, CPU_SUBTYPE_INTEL_MODEL_ALL = 0 };
		1621
		1622	enum CPUSubTypeARM {
		1623	CPU_SUBTYPE_ARM_ALL = 0,
		1624	CPU_SUBTYPE_ARM_V4T = 5,
		1625	CPU_SUBTYPE_ARM_V6 = 6,
		1626	CPU_SUBTYPE_ARM_V5 = 7,
		1627	CPU_SUBTYPE_ARM_V5TEJ = 7,
		1628	CPU_SUBTYPE_ARM_XSCALE = 8,
		1629	CPU_SUBTYPE_ARM_V7 = 9,
		1630	// unused ARM_V7F = 10,
		1631	CPU_SUBTYPE_ARM_V7S = 11,
		1632	CPU_SUBTYPE_ARM_V7K = 12,
		1633	CPU_SUBTYPE_ARM_V6M = 14,
		1634	CPU_SUBTYPE_ARM_V7M = 15,
		1635	CPU_SUBTYPE_ARM_V7EM = 16
		1636	};
		1637
		1638	enum CPUSubTypeARM64 {
		1639	CPU_SUBTYPE_ARM64_ALL = 0,
		1640	CPU_SUBTYPE_ARM64_V8 = 1,
		1641	CPU_SUBTYPE_ARM64E = 2,
		1642	};
		1643
		1644	enum CPUSubTypeARM64_32 { CPU_SUBTYPE_ARM64_32_V8 = 1 };
		1645
		1646	enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 };
		1647
		1648	enum CPUSubTypePowerPC {
		1649	CPU_SUBTYPE_POWERPC_ALL = 0,
		1650	CPU_SUBTYPE_POWERPC_601 = 1,
		1651	CPU_SUBTYPE_POWERPC_602 = 2,
		1652	CPU_SUBTYPE_POWERPC_603 = 3,
		1653	CPU_SUBTYPE_POWERPC_603e = 4,
		1654	CPU_SUBTYPE_POWERPC_603ev = 5,
		1655	CPU_SUBTYPE_POWERPC_604 = 6,
		1656	CPU_SUBTYPE_POWERPC_604e = 7,
		1657	CPU_SUBTYPE_POWERPC_620 = 8,
		1658	CPU_SUBTYPE_POWERPC_750 = 9,
		1659	CPU_SUBTYPE_POWERPC_7400 = 10,
		1660	CPU_SUBTYPE_POWERPC_7450 = 11,
		1661	CPU_SUBTYPE_POWERPC_970 = 100,
		1662
		1663	CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL,
		1664	CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
		1665	};
		1666
		1667	Expected<uint32_t> getCPUType(const Triple &T);
		1668	Expected<uint32_t> getCPUSubType(const Triple &T);
		1669
		1670	struct x86_thread_state32_t {
		1671	uint32_t eax;
		1672	uint32_t ebx;
		1673	uint32_t ecx;
		1674	uint32_t edx;
		1675	uint32_t edi;
		1676	uint32_t esi;
		1677	uint32_t ebp;
		1678	uint32_t esp;
		1679	uint32_t ss;
		1680	uint32_t eflags;
		1681	uint32_t eip;
		1682	uint32_t cs;
		1683	uint32_t ds;
		1684	uint32_t es;
		1685	uint32_t fs;
		1686	uint32_t gs;
		1687	};
		1688
		1689	struct x86_thread_state64_t {
		1690	uint64_t rax;
		1691	uint64_t rbx;
		1692	uint64_t rcx;
		1693	uint64_t rdx;
		1694	uint64_t rdi;
		1695	uint64_t rsi;
		1696	uint64_t rbp;
		1697	uint64_t rsp;
		1698	uint64_t r8;
		1699	uint64_t r9;
		1700	uint64_t r10;
		1701	uint64_t r11;
		1702	uint64_t r12;
		1703	uint64_t r13;
		1704	uint64_t r14;
		1705	uint64_t r15;
		1706	uint64_t rip;
		1707	uint64_t rflags;
		1708	uint64_t cs;
		1709	uint64_t fs;
		1710	uint64_t gs;
		1711	};
		1712
		1713	enum x86_fp_control_precis {
		1714	x86_FP_PREC_24B = 0,
		1715	x86_FP_PREC_53B = 2,
		1716	x86_FP_PREC_64B = 3
		1717	};
		1718
		1719	enum x86_fp_control_rc {
		1720	x86_FP_RND_NEAR = 0,
		1721	x86_FP_RND_DOWN = 1,
		1722	x86_FP_RND_UP = 2,
		1723	x86_FP_CHOP = 3
		1724	};
		1725
		1726	struct fp_control_t {
		1727	unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1,
		1728	precis : 1, : 2, pc : 2, rc : 2, : 1, : 3;
		1729	};
		1730
		1731	struct fp_status_t {
		1732	unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1,
		1733	precis : 1, stkflt : 1, errsumm : 1, c0 : 1, c1 : 1, c2 : 1, tos : 3,
		1734	c3 : 1, busy : 1;
		1735	};
		1736
		1737	struct mmst_reg_t {
		1738	char mmst_reg[10];
		1739	char mmst_rsrv[6];
		1740	};
		1741
		1742	struct xmm_reg_t {
		1743	char xmm_reg[16];
		1744	};
		1745
		1746	struct x86_float_state64_t {
		1747	int32_t fpu_reserved[2];
		1748	fp_control_t fpu_fcw;
		1749	fp_status_t fpu_fsw;
		1750	uint8_t fpu_ftw;
		1751	uint8_t fpu_rsrv1;
		1752	uint16_t fpu_fop;
		1753	uint32_t fpu_ip;
		1754	uint16_t fpu_cs;
		1755	uint16_t fpu_rsrv2;
		1756	uint32_t fpu_dp;
		1757	uint16_t fpu_ds;
		1758	uint16_t fpu_rsrv3;
		1759	uint32_t fpu_mxcsr;
		1760	uint32_t fpu_mxcsrmask;
		1761	mmst_reg_t fpu_stmm0;
		1762	mmst_reg_t fpu_stmm1;
		1763	mmst_reg_t fpu_stmm2;
		1764	mmst_reg_t fpu_stmm3;
		1765	mmst_reg_t fpu_stmm4;
		1766	mmst_reg_t fpu_stmm5;
		1767	mmst_reg_t fpu_stmm6;
		1768	mmst_reg_t fpu_stmm7;
		1769	xmm_reg_t fpu_xmm0;
		1770	xmm_reg_t fpu_xmm1;
		1771	xmm_reg_t fpu_xmm2;
		1772	xmm_reg_t fpu_xmm3;
		1773	xmm_reg_t fpu_xmm4;
		1774	xmm_reg_t fpu_xmm5;
		1775	xmm_reg_t fpu_xmm6;
		1776	xmm_reg_t fpu_xmm7;
		1777	xmm_reg_t fpu_xmm8;
		1778	xmm_reg_t fpu_xmm9;
		1779	xmm_reg_t fpu_xmm10;
		1780	xmm_reg_t fpu_xmm11;
		1781	xmm_reg_t fpu_xmm12;
		1782	xmm_reg_t fpu_xmm13;
		1783	xmm_reg_t fpu_xmm14;
		1784	xmm_reg_t fpu_xmm15;
		1785	char fpu_rsrv4[6 * 16];
		1786	uint32_t fpu_reserved1;
		1787	};
		1788
		1789	struct x86_exception_state64_t {
		1790	uint16_t trapno;
		1791	uint16_t cpu;
		1792	uint32_t err;
		1793	uint64_t faultvaddr;
		1794	};
		1795
		1796	inline void swapStruct(x86_thread_state32_t &x) {
		1797	sys::swapByteOrder(x.eax);
		1798	sys::swapByteOrder(x.ebx);
		1799	sys::swapByteOrder(x.ecx);
		1800	sys::swapByteOrder(x.edx);
		1801	sys::swapByteOrder(x.edi);
		1802	sys::swapByteOrder(x.esi);
		1803	sys::swapByteOrder(x.ebp);
		1804	sys::swapByteOrder(x.esp);
		1805	sys::swapByteOrder(x.ss);
		1806	sys::swapByteOrder(x.eflags);
		1807	sys::swapByteOrder(x.eip);
		1808	sys::swapByteOrder(x.cs);
		1809	sys::swapByteOrder(x.ds);
		1810	sys::swapByteOrder(x.es);
		1811	sys::swapByteOrder(x.fs);
		1812	sys::swapByteOrder(x.gs);
		1813	}
		1814
		1815	inline void swapStruct(x86_thread_state64_t &x) {
		1816	sys::swapByteOrder(x.rax);
		1817	sys::swapByteOrder(x.rbx);
		1818	sys::swapByteOrder(x.rcx);
		1819	sys::swapByteOrder(x.rdx);
		1820	sys::swapByteOrder(x.rdi);
		1821	sys::swapByteOrder(x.rsi);
		1822	sys::swapByteOrder(x.rbp);
		1823	sys::swapByteOrder(x.rsp);
		1824	sys::swapByteOrder(x.r8);
		1825	sys::swapByteOrder(x.r9);
		1826	sys::swapByteOrder(x.r10);
		1827	sys::swapByteOrder(x.r11);
		1828	sys::swapByteOrder(x.r12);
		1829	sys::swapByteOrder(x.r13);
		1830	sys::swapByteOrder(x.r14);
		1831	sys::swapByteOrder(x.r15);
		1832	sys::swapByteOrder(x.rip);
		1833	sys::swapByteOrder(x.rflags);
		1834	sys::swapByteOrder(x.cs);
		1835	sys::swapByteOrder(x.fs);
		1836	sys::swapByteOrder(x.gs);
		1837	}
		1838
		1839	inline void swapStruct(x86_float_state64_t &x) {
		1840	sys::swapByteOrder(x.fpu_reserved[0]);
		1841	sys::swapByteOrder(x.fpu_reserved[1]);
		1842	// TODO swap: fp_control_t fpu_fcw;
		1843	// TODO swap: fp_status_t fpu_fsw;
		1844	sys::swapByteOrder(x.fpu_fop);
		1845	sys::swapByteOrder(x.fpu_ip);
		1846	sys::swapByteOrder(x.fpu_cs);
		1847	sys::swapByteOrder(x.fpu_rsrv2);
		1848	sys::swapByteOrder(x.fpu_dp);
		1849	sys::swapByteOrder(x.fpu_ds);
		1850	sys::swapByteOrder(x.fpu_rsrv3);
		1851	sys::swapByteOrder(x.fpu_mxcsr);
		1852	sys::swapByteOrder(x.fpu_mxcsrmask);
		1853	sys::swapByteOrder(x.fpu_reserved1);
		1854	}
		1855
		1856	inline void swapStruct(x86_exception_state64_t &x) {
		1857	sys::swapByteOrder(x.trapno);
		1858	sys::swapByteOrder(x.cpu);
		1859	sys::swapByteOrder(x.err);
		1860	sys::swapByteOrder(x.faultvaddr);
		1861	}
		1862
		1863	struct x86_state_hdr_t {
		1864	uint32_t flavor;
		1865	uint32_t count;
		1866	};
		1867
		1868	struct x86_thread_state_t {
		1869	x86_state_hdr_t tsh;
		1870	union {
		1871	x86_thread_state64_t ts64;
		1872	x86_thread_state32_t ts32;
		1873	} uts;
		1874	};
		1875
		1876	struct x86_float_state_t {
		1877	x86_state_hdr_t fsh;
		1878	union {
		1879	x86_float_state64_t fs64;
		1880	} ufs;
		1881	};
		1882
		1883	struct x86_exception_state_t {
		1884	x86_state_hdr_t esh;
		1885	union {
		1886	x86_exception_state64_t es64;
		1887	} ues;
		1888	};
		1889
		1890	inline void swapStruct(x86_state_hdr_t &x) {
		1891	sys::swapByteOrder(x.flavor);
		1892	sys::swapByteOrder(x.count);
		1893	}
		1894
		1895	enum X86ThreadFlavors {
		1896	x86_THREAD_STATE32 = 1,
		1897	x86_FLOAT_STATE32 = 2,
		1898	x86_EXCEPTION_STATE32 = 3,
		1899	x86_THREAD_STATE64 = 4,
		1900	x86_FLOAT_STATE64 = 5,
		1901	x86_EXCEPTION_STATE64 = 6,
		1902	x86_THREAD_STATE = 7,
		1903	x86_FLOAT_STATE = 8,
		1904	x86_EXCEPTION_STATE = 9,
		1905	x86_DEBUG_STATE32 = 10,
		1906	x86_DEBUG_STATE64 = 11,
		1907	x86_DEBUG_STATE = 12
		1908	};
		1909
		1910	inline void swapStruct(x86_thread_state_t &x) {
		1911	swapStruct(x.tsh);
		1912	if (x.tsh.flavor == x86_THREAD_STATE64)
		1913	swapStruct(x.uts.ts64);
		1914	}
		1915
		1916	inline void swapStruct(x86_float_state_t &x) {
		1917	swapStruct(x.fsh);
		1918	if (x.fsh.flavor == x86_FLOAT_STATE64)
		1919	swapStruct(x.ufs.fs64);
		1920	}
		1921
		1922	inline void swapStruct(x86_exception_state_t &x) {
		1923	swapStruct(x.esh);
		1924	if (x.esh.flavor == x86_EXCEPTION_STATE64)
		1925	swapStruct(x.ues.es64);
		1926	}
		1927
		1928	const uint32_t x86_THREAD_STATE32_COUNT =
		1929	sizeof(x86_thread_state32_t) / sizeof(uint32_t);
		1930
		1931	const uint32_t x86_THREAD_STATE64_COUNT =
		1932	sizeof(x86_thread_state64_t) / sizeof(uint32_t);
		1933	const uint32_t x86_FLOAT_STATE64_COUNT =
		1934	sizeof(x86_float_state64_t) / sizeof(uint32_t);
		1935	const uint32_t x86_EXCEPTION_STATE64_COUNT =
		1936	sizeof(x86_exception_state64_t) / sizeof(uint32_t);
		1937
		1938	const uint32_t x86_THREAD_STATE_COUNT =
		1939	sizeof(x86_thread_state_t) / sizeof(uint32_t);
		1940	const uint32_t x86_FLOAT_STATE_COUNT =
		1941	sizeof(x86_float_state_t) / sizeof(uint32_t);
		1942	const uint32_t x86_EXCEPTION_STATE_COUNT =
		1943	sizeof(x86_exception_state_t) / sizeof(uint32_t);
		1944
		1945	struct arm_thread_state32_t {
		1946	uint32_t r[13];
		1947	uint32_t sp;
		1948	uint32_t lr;
		1949	uint32_t pc;
		1950	uint32_t cpsr;
		1951	};
		1952
		1953	inline void swapStruct(arm_thread_state32_t &x) {
		1954	for (int i = 0; i < 13; i++)
		1955	sys::swapByteOrder(x.r[i]);
		1956	sys::swapByteOrder(x.sp);
		1957	sys::swapByteOrder(x.lr);
		1958	sys::swapByteOrder(x.pc);
		1959	sys::swapByteOrder(x.cpsr);
		1960	}
		1961
		1962	struct arm_thread_state64_t {
		1963	uint64_t x[29];
		1964	uint64_t fp;
		1965	uint64_t lr;
		1966	uint64_t sp;
		1967	uint64_t pc;
		1968	uint32_t cpsr;
		1969	uint32_t pad;
		1970	};
		1971
		1972	inline void swapStruct(arm_thread_state64_t &x) {
		1973	for (int i = 0; i < 29; i++)
		1974	sys::swapByteOrder(x.x[i]);
		1975	sys::swapByteOrder(x.fp);
		1976	sys::swapByteOrder(x.lr);
		1977	sys::swapByteOrder(x.sp);
		1978	sys::swapByteOrder(x.pc);
		1979	sys::swapByteOrder(x.cpsr);
		1980	}
		1981
		1982	struct arm_state_hdr_t {
		1983	uint32_t flavor;
		1984	uint32_t count;
		1985	};
		1986
		1987	struct arm_thread_state_t {
		1988	arm_state_hdr_t tsh;
		1989	union {
		1990	arm_thread_state32_t ts32;
		1991	} uts;
		1992	};
		1993
		1994	inline void swapStruct(arm_state_hdr_t &x) {
		1995	sys::swapByteOrder(x.flavor);
		1996	sys::swapByteOrder(x.count);
		1997	}
		1998
		1999	enum ARMThreadFlavors {
		2000	ARM_THREAD_STATE = 1,
		2001	ARM_VFP_STATE = 2,
		2002	ARM_EXCEPTION_STATE = 3,
		2003	ARM_DEBUG_STATE = 4,
		2004	ARN_THREAD_STATE_NONE = 5,
		2005	ARM_THREAD_STATE64 = 6,
		2006	ARM_EXCEPTION_STATE64 = 7
		2007	};
		2008
		2009	inline void swapStruct(arm_thread_state_t &x) {
		2010	swapStruct(x.tsh);
		2011	if (x.tsh.flavor == ARM_THREAD_STATE)
		2012	swapStruct(x.uts.ts32);
		2013	}
		2014
		2015	const uint32_t ARM_THREAD_STATE_COUNT =
		2016	sizeof(arm_thread_state32_t) / sizeof(uint32_t);
		2017
		2018	const uint32_t ARM_THREAD_STATE64_COUNT =
		2019	sizeof(arm_thread_state64_t) / sizeof(uint32_t);
		2020
		2021	struct ppc_thread_state32_t {
		2022	uint32_t srr0;
		2023	uint32_t srr1;
		2024	uint32_t r0;
		2025	uint32_t r1;
		2026	uint32_t r2;
		2027	uint32_t r3;
		2028	uint32_t r4;
		2029	uint32_t r5;
		2030	uint32_t r6;
		2031	uint32_t r7;
		2032	uint32_t r8;
		2033	uint32_t r9;
		2034	uint32_t r10;
		2035	uint32_t r11;
		2036	uint32_t r12;
		2037	uint32_t r13;
		2038	uint32_t r14;
		2039	uint32_t r15;
		2040	uint32_t r16;
		2041	uint32_t r17;
		2042	uint32_t r18;
		2043	uint32_t r19;
		2044	uint32_t r20;
		2045	uint32_t r21;
		2046	uint32_t r22;
		2047	uint32_t r23;
		2048	uint32_t r24;
		2049	uint32_t r25;
		2050	uint32_t r26;
		2051	uint32_t r27;
		2052	uint32_t r28;
		2053	uint32_t r29;
		2054	uint32_t r30;
		2055	uint32_t r31;
		2056	uint32_t ct;
		2057	uint32_t xer;
		2058	uint32_t lr;
		2059	uint32_t ctr;
		2060	uint32_t mq;
		2061	uint32_t vrsave;
		2062	};
		2063
		2064	inline void swapStruct(ppc_thread_state32_t &x) {
		2065	sys::swapByteOrder(x.srr0);
		2066	sys::swapByteOrder(x.srr1);
		2067	sys::swapByteOrder(x.r0);
		2068	sys::swapByteOrder(x.r1);
		2069	sys::swapByteOrder(x.r2);
		2070	sys::swapByteOrder(x.r3);
		2071	sys::swapByteOrder(x.r4);
		2072	sys::swapByteOrder(x.r5);
		2073	sys::swapByteOrder(x.r6);
		2074	sys::swapByteOrder(x.r7);
		2075	sys::swapByteOrder(x.r8);
		2076	sys::swapByteOrder(x.r9);
		2077	sys::swapByteOrder(x.r10);
		2078	sys::swapByteOrder(x.r11);
		2079	sys::swapByteOrder(x.r12);
		2080	sys::swapByteOrder(x.r13);
		2081	sys::swapByteOrder(x.r14);
		2082	sys::swapByteOrder(x.r15);
		2083	sys::swapByteOrder(x.r16);
		2084	sys::swapByteOrder(x.r17);
		2085	sys::swapByteOrder(x.r18);
		2086	sys::swapByteOrder(x.r19);
		2087	sys::swapByteOrder(x.r20);
		2088	sys::swapByteOrder(x.r21);
		2089	sys::swapByteOrder(x.r22);
		2090	sys::swapByteOrder(x.r23);
		2091	sys::swapByteOrder(x.r24);
		2092	sys::swapByteOrder(x.r25);
		2093	sys::swapByteOrder(x.r26);
		2094	sys::swapByteOrder(x.r27);
		2095	sys::swapByteOrder(x.r28);
		2096	sys::swapByteOrder(x.r29);
		2097	sys::swapByteOrder(x.r30);
		2098	sys::swapByteOrder(x.r31);
		2099	sys::swapByteOrder(x.ct);
		2100	sys::swapByteOrder(x.xer);
		2101	sys::swapByteOrder(x.lr);
		2102	sys::swapByteOrder(x.ctr);
		2103	sys::swapByteOrder(x.mq);
		2104	sys::swapByteOrder(x.vrsave);
		2105	}
		2106
		2107	struct ppc_state_hdr_t {
		2108	uint32_t flavor;
		2109	uint32_t count;
		2110	};
		2111
		2112	struct ppc_thread_state_t {
		2113	ppc_state_hdr_t tsh;
		2114	union {
		2115	ppc_thread_state32_t ts32;
		2116	} uts;
		2117	};
		2118
		2119	inline void swapStruct(ppc_state_hdr_t &x) {
		2120	sys::swapByteOrder(x.flavor);
		2121	sys::swapByteOrder(x.count);
		2122	}
		2123
		2124	enum PPCThreadFlavors {
		2125	PPC_THREAD_STATE = 1,
		2126	PPC_FLOAT_STATE = 2,
		2127	PPC_EXCEPTION_STATE = 3,
		2128	PPC_VECTOR_STATE = 4,
		2129	PPC_THREAD_STATE64 = 5,
		2130	PPC_EXCEPTION_STATE64 = 6,
		2131	PPC_THREAD_STATE_NONE = 7
		2132	};
		2133
		2134	inline void swapStruct(ppc_thread_state_t &x) {
		2135	swapStruct(x.tsh);
		2136	if (x.tsh.flavor == PPC_THREAD_STATE)
		2137	swapStruct(x.uts.ts32);
		2138	}
		2139
		2140	const uint32_t PPC_THREAD_STATE_COUNT =
		2141	sizeof(ppc_thread_state32_t) / sizeof(uint32_t);
		2142
		2143	// Define a union of all load command structs
		2144	#define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data;
		2145
		2146	LLVM_PACKED_START
		2147	union alignas(4) macho_load_command {
		2148	#include "llvm/BinaryFormat/MachO.def"
		2149	};
		2150	LLVM_PACKED_END
		2151
		2152	inline void swapStruct(dyld_chained_fixups_header &C) {
		2153	sys::swapByteOrder(C.fixups_version);
		2154	sys::swapByteOrder(C.starts_offset);
		2155	sys::swapByteOrder(C.imports_offset);
		2156	sys::swapByteOrder(C.symbols_offset);
		2157	sys::swapByteOrder(C.imports_count);
		2158	sys::swapByteOrder(C.imports_format);
		2159	sys::swapByteOrder(C.symbols_format);
		2160	}
		2161
		2162	inline void swapStruct(dyld_chained_starts_in_image &C) {
		2163	sys::swapByteOrder(C.seg_count);
		2164	// getStructOrErr() cannot copy the variable-length seg_info_offset array.
		2165	// Its elements must be byte swapped manually.
		2166	}
		2167
		2168	inline void swapStruct(dyld_chained_starts_in_segment &C) {
		2169	sys::swapByteOrder(C.size);
		2170	sys::swapByteOrder(C.page_size);
		2171	sys::swapByteOrder(C.pointer_format);
		2172	sys::swapByteOrder(C.segment_offset);
		2173	sys::swapByteOrder(C.max_valid_pointer);
		2174	sys::swapByteOrder(C.page_count);
		2175	// seg_info_offset entries must be byte swapped manually.
		2176	}
		2177
		2178	/* code signing attributes of a process */
		2179
		2180	enum CodeSignAttrs {
		2181	CS_VALID = 0x00000001, /* dynamically valid */
		2182	CS_ADHOC = 0x00000002, /* ad hoc signed */
		2183	CS_GET_TASK_ALLOW = 0x00000004, /* has get-task-allow entitlement */
		2184	CS_INSTALLER = 0x00000008, /* has installer entitlement */
		2185
		2186	CS_FORCED_LV =
		2187	0x00000010, /* Library Validation required by Hardened System Policy */
		2188	CS_INVALID_ALLOWED = 0x00000020, /* (macOS Only) Page invalidation allowed by
		2189	task port policy */
		2190
		2191	CS_HARD = 0x00000100, /* don't load invalid pages */
		2192	CS_KILL = 0x00000200, /* kill process if it becomes invalid */
		2193	CS_CHECK_EXPIRATION = 0x00000400, /* force expiration checking */
		2194	CS_RESTRICT = 0x00000800, /* tell dyld to treat restricted */
		2195
		2196	CS_ENFORCEMENT = 0x00001000, /* require enforcement */
		2197	CS_REQUIRE_LV = 0x00002000, /* require library validation */
		2198	CS_ENTITLEMENTS_VALIDATED =
		2199	0x00004000, /* code signature permits restricted entitlements */
		2200	CS_NVRAM_UNRESTRICTED =
		2201	0x00008000, /* has com.apple.rootless.restricted-nvram-variables.heritable
		2202	entitlement */
		2203
		2204	CS_RUNTIME = 0x00010000, /* Apply hardened runtime policies */
		2205	CS_LINKER_SIGNED = 0x00020000, /* Automatically signed by the linker */
		2206
		2207	CS_ALLOWED_MACHO =
		2208	(CS_ADHOC \| CS_HARD \| CS_KILL \| CS_CHECK_EXPIRATION \| CS_RESTRICT \|
		2209	CS_ENFORCEMENT \| CS_REQUIRE_LV \| CS_RUNTIME \| CS_LINKER_SIGNED),
		2210
		2211	CS_EXEC_SET_HARD = 0x00100000, /* set CS_HARD on any exec'ed process */
		2212	CS_EXEC_SET_KILL = 0x00200000, /* set CS_KILL on any exec'ed process */
		2213	CS_EXEC_SET_ENFORCEMENT =
		2214	0x00400000, /* set CS_ENFORCEMENT on any exec'ed process */
		2215	CS_EXEC_INHERIT_SIP =
		2216	0x00800000, /* set CS_INSTALLER on any exec'ed process */
		2217
		2218	CS_KILLED = 0x01000000, /* was killed by kernel for invalidity */
		2219	CS_DYLD_PLATFORM =
		2220	0x02000000, /* dyld used to load this is a platform binary */
		2221	CS_PLATFORM_BINARY = 0x04000000, /* this is a platform binary */
		2222	CS_PLATFORM_PATH =
		2223	0x08000000, /* platform binary by the fact of path (osx only) */
		2224
		2225	CS_DEBUGGED = 0x10000000, /* process is currently or has previously been
		2226	debugged and allowed to run with invalid pages */
		2227	CS_SIGNED = 0x20000000, /* process has a signature (may have gone invalid) */
		2228	CS_DEV_CODE =
		2229	0x40000000, /* code is dev signed, cannot be loaded into prod signed code
		2230	(will go away with rdar://problem/28322552) */
		2231	CS_DATAVAULT_CONTROLLER =
		2232	0x80000000, /* has Data Vault controller entitlement */
		2233
		2234	CS_ENTITLEMENT_FLAGS = (CS_GET_TASK_ALLOW \| CS_INSTALLER \|
		2235	CS_DATAVAULT_CONTROLLER \| CS_NVRAM_UNRESTRICTED),
		2236	};
		2237
		2238	/* executable segment flags */
		2239
		2240	enum CodeSignExecSegFlags {
		2241
		2242	CS_EXECSEG_MAIN_BINARY = 0x1, /* executable segment denotes main binary */
		2243	CS_EXECSEG_ALLOW_UNSIGNED = 0x10, /* allow unsigned pages (for debugging) */
		2244	CS_EXECSEG_DEBUGGER = 0x20, /* main binary is debugger */
		2245	CS_EXECSEG_JIT = 0x40, /* JIT enabled */
		2246	CS_EXECSEG_SKIP_LV = 0x80, /* OBSOLETE: skip library validation */
		2247	CS_EXECSEG_CAN_LOAD_CDHASH = 0x100, /* can bless cdhash for execution */
		2248	CS_EXECSEG_CAN_EXEC_CDHASH = 0x200, /* can execute blessed cdhash */
		2249
		2250	};
		2251
		2252	/* Magic numbers used by Code Signing */
		2253
		2254	enum CodeSignMagic {
		2255	CSMAGIC_REQUIREMENT = 0xfade0c00, /* single Requirement blob */
		2256	CSMAGIC_REQUIREMENTS =
		2257	0xfade0c01, /* Requirements vector (internal requirements) */
		2258	CSMAGIC_CODEDIRECTORY = 0xfade0c02, /* CodeDirectory blob */
		2259	CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */
		2260	CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02, /* XXX */
		2261	CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171, /* embedded entitlements */
		2262	CSMAGIC_DETACHED_SIGNATURE =
		2263	0xfade0cc1, /* multi-arch collection of embedded signatures */
		2264	CSMAGIC_BLOBWRAPPER = 0xfade0b01, /* CMS Signature, among other things */
		2265
		2266	CS_SUPPORTSSCATTER = 0x20100,
		2267	CS_SUPPORTSTEAMID = 0x20200,
		2268	CS_SUPPORTSCODELIMIT64 = 0x20300,
		2269	CS_SUPPORTSEXECSEG = 0x20400,
		2270	CS_SUPPORTSRUNTIME = 0x20500,
		2271	CS_SUPPORTSLINKAGE = 0x20600,
		2272
		2273	CSSLOT_CODEDIRECTORY = 0, /* slot index for CodeDirectory */
		2274	CSSLOT_INFOSLOT = 1,
		2275	CSSLOT_REQUIREMENTS = 2,
		2276	CSSLOT_RESOURCEDIR = 3,
		2277	CSSLOT_APPLICATION = 4,
		2278	CSSLOT_ENTITLEMENTS = 5,
		2279
		2280	CSSLOT_ALTERNATE_CODEDIRECTORIES =
		2281	0x1000, /* first alternate CodeDirectory, if any */
		2282	CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5, /* max number of alternate CD slots */
		2283	CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT =
		2284	CSSLOT_ALTERNATE_CODEDIRECTORIES +
		2285	CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, /* one past the last */
		2286
		2287	CSSLOT_SIGNATURESLOT = 0x10000, /* CMS Signature */
		2288	CSSLOT_IDENTIFICATIONSLOT = 0x10001,
		2289	CSSLOT_TICKETSLOT = 0x10002,
		2290
		2291	CSTYPE_INDEX_REQUIREMENTS = 0x00000002, /* compat with amfi */
		2292	CSTYPE_INDEX_ENTITLEMENTS = 0x00000005, /* compat with amfi */
		2293
		2294	CS_HASHTYPE_SHA1 = 1,
		2295	CS_HASHTYPE_SHA256 = 2,
		2296	CS_HASHTYPE_SHA256_TRUNCATED = 3,
		2297	CS_HASHTYPE_SHA384 = 4,
		2298
		2299	CS_SHA1_LEN = 20,
		2300	CS_SHA256_LEN = 32,
		2301	CS_SHA256_TRUNCATED_LEN = 20,
		2302
		2303	CS_CDHASH_LEN = 20, /* always - larger hashes are truncated */
		2304	CS_HASH_MAX_SIZE = 48, /* max size of the hash we'll support */
		2305
		2306	/*
		2307	* Currently only to support Legacy VPN plugins, and Mac App Store
		2308	* but intended to replace all the various platform code, dev code etc. bits.
		2309	*/
		2310	CS_SIGNER_TYPE_UNKNOWN = 0,
		2311	CS_SIGNER_TYPE_LEGACYVPN = 5,
		2312	CS_SIGNER_TYPE_MAC_APP_STORE = 6,
		2313
		2314	CS_SUPPL_SIGNER_TYPE_UNKNOWN = 0,
		2315	CS_SUPPL_SIGNER_TYPE_TRUSTCACHE = 7,
		2316	CS_SUPPL_SIGNER_TYPE_LOCAL = 8,
		2317	};
		2318
		2319	struct CS_CodeDirectory {
		2320	uint32_t magic; /* magic number (CSMAGIC_CODEDIRECTORY) */
		2321	uint32_t length; /* total length of CodeDirectory blob */
		2322	uint32_t version; /* compatibility version */
		2323	uint32_t flags; /* setup and mode flags */
		2324	uint32_t hashOffset; /* offset of hash slot element at index zero */
		2325	uint32_t identOffset; /* offset of identifier string */
		2326	uint32_t nSpecialSlots; /* number of special hash slots */
		2327	uint32_t nCodeSlots; /* number of ordinary (code) hash slots */
		2328	uint32_t codeLimit; /* limit to main image signature range */
		2329	uint8_t hashSize; /* size of each hash in bytes */
		2330	uint8_t hashType; /* type of hash (cdHashType* constants) */
		2331	uint8_t platform; /* platform identifier; zero if not platform binary */
		2332	uint8_t pageSize; /* log2(page size in bytes); 0 => infinite */
		2333	uint32_t spare2; /* unused (must be zero) */
		2334
		2335	/* Version 0x20100 */
		2336	uint32_t scatterOffset; /* offset of optional scatter vector */
		2337
		2338	/* Version 0x20200 */
		2339	uint32_t teamOffset; /* offset of optional team identifier */
		2340
		2341	/* Version 0x20300 */
		2342	uint32_t spare3; /* unused (must be zero) */
		2343	uint64_t codeLimit64; /* limit to main image signature range, 64 bits */
		2344
		2345	/* Version 0x20400 */
		2346	uint64_t execSegBase; /* offset of executable segment */
		2347	uint64_t execSegLimit; /* limit of executable segment */
		2348	uint64_t execSegFlags; /* executable segment flags */
		2349	};
		2350
		2351	static_assert(sizeof(CS_CodeDirectory) == 88);
		2352
		2353	struct CS_BlobIndex {
		2354	uint32_t type; /* type of entry */
		2355	uint32_t offset; /* offset of entry */
		2356	};
		2357
		2358	struct CS_SuperBlob {
		2359	uint32_t magic; /* magic number */
		2360	uint32_t length; /* total length of SuperBlob */
		2361	uint32_t count; /* number of index entries following */
		2362	/* followed by Blobs in no particular order as indicated by index offsets */
		2363	};
		2364
		2365	enum SecCSDigestAlgorithm {
		2366	kSecCodeSignatureNoHash = 0, /* null value */
		2367	kSecCodeSignatureHashSHA1 = 1, /* SHA-1 */
		2368	kSecCodeSignatureHashSHA256 = 2, /* SHA-256 */
		2369	kSecCodeSignatureHashSHA256Truncated =
		2370	3, /* SHA-256 truncated to first 20 bytes */
		2371	kSecCodeSignatureHashSHA384 = 4, /* SHA-384 */
		2372	kSecCodeSignatureHashSHA512 = 5, /* SHA-512 */
		2373	};
		2374
		2375	enum LinkerOptimizationHintKind {
		2376	LOH_ARM64_ADRP_ADRP = 1,
		2377	LOH_ARM64_ADRP_LDR = 2,
		2378	LOH_ARM64_ADRP_ADD_LDR = 3,
		2379	LOH_ARM64_ADRP_LDR_GOT_LDR = 4,
		2380	LOH_ARM64_ADRP_ADD_STR = 5,
		2381	LOH_ARM64_ADRP_LDR_GOT_STR = 6,
		2382	LOH_ARM64_ADRP_ADD = 7,
		2383	LOH_ARM64_ADRP_LDR_GOT = 8,
		2384	};
		2385
		2386	} // end namespace MachO
		2387	} // end namespace llvm
		2388
		2389	#endif

Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

QNX 8.QNX8 LLVM/Clang compiler suite/llvm-build/x86_64/include/llvm/BinaryFormat/MachO.h – Rev 14